IMSAFE
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IMSAFE is a mnemonic used by some aircraft pilots to assess their fitness to fly.
[edit] Definition
The mnemonic is interpreted as:
- Illness - Is the pilot suffering from any illness or symptom of an illness which might affect them in flight,
- Medication - Is the pilot currently taking any drugs (prescription or over-the-counter),
- Stress - Psychological or emotional factors which might affect the pilot's performance,
- Alcohol - Although legal limits vary by jurisdiction (20 mg/mL blood in the UK[1], four times less than for driving), the pilot might want to consider their alcohol consumption within the last 8 or 24 hours,
- Fatigue - Has the pilot had sufficient sleep and rest in the recent past, and
- Eating - Is the pilot adequately fed.
Some sources [2] give the E as "emotion" but this is incorrect as emotion is already considered alongside stress.
